@black:#242424;

.banxin1{
    width: 1100px;
    margin: auto;
}
.tanxin{
    display: flex;
    align-items: center;
}
.banxin2{
    width: 981px;
    margin:auto;
}
a,i{
    text-decoration: none;
}
ul{
    list-style: none;
}
button{
    border: 0;
    cursor: pointer;
}
.u-icon{
    background: url(../image/icon.png) no-repeat 0 9999px;
    display: inline-block;
    overflow: hidden;
    vertical-align: middle;
    margin-right: 5px;
}